RHSA-2026:52396: Important: postgresql:12 security update

Published Aug 10, 2026
·
Updated

Important: postgresql:12 security update

Other sources

PostgreSQL is an advanced object-relational database management system (DBMS).Security Fix(es): postgresql: PostgreSQL: Denial of Service via uncontrolled recursion in SSL/GSS negotiation (CVE-2026-6479) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

— Red Hat

Affected Software

86 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
redhat/pgaudit<1.4.0-7.module+el8.10.0+22214+9beb89d6
1.4.0-7.module+el8.10.0+22214+9beb89d6
redhat/postgres-decoderbufs<0.10.0-2.module+el8.9.0+19330+c97ddbdf
0.10.0-2.module+el8.9.0+19330+c97ddbdf
redhat/postgresql<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/pgaudit<1.4.0-7.module+el8.10.0+22214+9beb89d6
1.4.0-7.module+el8.10.0+22214+9beb89d6
redhat/pgaudit-debuginfo<1.4.0-7.module+el8.10.0+22214+9beb89d6
1.4.0-7.module+el8.10.0+22214+9beb89d6
redhat/pgaudit-debugsource<1.4.0-7.module+el8.10.0+22214+9beb89d6
1.4.0-7.module+el8.10.0+22214+9beb89d6
redhat/postgres-decoderbufs<0.10.0-2.module+el8.9.0+19330+c97ddbdf
0.10.0-2.module+el8.9.0+19330+c97ddbdf
redhat/postgres-decoderbufs-debuginfo<0.10.0-2.module+el8.9.0+19330+c97ddbdf
0.10.0-2.module+el8.9.0+19330+c97ddbdf
redhat/postgres-decoderbufs-debugsource<0.10.0-2.module+el8.9.0+19330+c97ddbdf
0.10.0-2.module+el8.9.0+19330+c97ddbdf
redhat/postgresql-contrib-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-debugsource<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-docs-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-plperl-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-plpython3-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-pltcl-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-server-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-server-devel-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-test-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-upgrade-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-upgrade-devel-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/pgaudit-debuginfo<1.4.0-7.module+el8.10.0+22214+9beb89d6
1.4.0-7.module+el8.10.0+22214+9beb89d6
redhat/pgaudit-debugsource<1.4.0-7.module+el8.10.0+22214+9beb89d6
1.4.0-7.module+el8.10.0+22214+9beb89d6
redhat/postgres-decoderbufs-debuginfo<0.10.0-2.module+el8.9.0+19330+c97ddbdf
0.10.0-2.module+el8.9.0+19330+c97ddbdf
redhat/postgres-decoderbufs-debugsource<0.10.0-2.module+el8.9.0+19330+c97ddbdf
0.10.0-2.module+el8.9.0+19330+c97ddbdf
redhat/postgresql-contrib-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-debugsource<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-docs-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-plperl-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-plpython3-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-pltcl-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-server-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-server-devel-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-test-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-upgrade-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-upgrade-devel-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/pgaudit<1.4.0-7.module+el8.10.0+22214+9beb89d6
1.4.0-7.module+el8.10.0+22214+9beb89d6
redhat/pgaudit-debuginfo<1.4.0-7.module+el8.10.0+22214+9beb89d6
1.4.0-7.module+el8.10.0+22214+9beb89d6
redhat/pgaudit-debugsource<1.4.0-7.module+el8.10.0+22214+9beb89d6
1.4.0-7.module+el8.10.0+22214+9beb89d6
redhat/postgres-decoderbufs<0.10.0-2.module+el8.9.0+19330+c97ddbdf
0.10.0-2.module+el8.9.0+19330+c97ddbdf
redhat/postgres-decoderbufs-debuginfo<0.10.0-2.module+el8.9.0+19330+c97ddbdf
0.10.0-2.module+el8.9.0+19330+c97ddbdf
redhat/postgres-decoderbufs-debugsource<0.10.0-2.module+el8.9.0+19330+c97ddbdf
0.10.0-2.module+el8.9.0+19330+c97ddbdf
redhat/postgresql-contrib-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-debugsource<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-docs-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-plperl-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-plpython3-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-pltcl-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-server-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-server-devel-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-test-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-upgrade<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-upgrade-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-upgrade-devel<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/postgresql-upgrade-devel-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac
12.22-9.module+el8.10.0+24635+941a3cac
redhat/pgaudit<1.4.0-7.module+el8.10.0+22214+9beb89d6.aa
1.4.0-7.module+el8.10.0+22214+9beb89d6.aa
redhat/pgaudit-debuginfo<1.4.0-7.module+el8.10.0+22214+9beb89d6.aa
1.4.0-7.module+el8.10.0+22214+9beb89d6.aa
redhat/pgaudit-debugsource<1.4.0-7.module+el8.10.0+22214+9beb89d6.aa
1.4.0-7.module+el8.10.0+22214+9beb89d6.aa
redhat/postgres-decoderbufs<0.10.0-2.module+el8.9.0+19330+c97ddbdf.aa
0.10.0-2.module+el8.9.0+19330+c97ddbdf.aa
redhat/postgres-decoderbufs-debuginfo<0.10.0-2.module+el8.9.0+19330+c97ddbdf.aa
0.10.0-2.module+el8.9.0+19330+c97ddbdf.aa
redhat/postgres-decoderbufs-debugsource<0.10.0-2.module+el8.9.0+19330+c97ddbdf.aa
0.10.0-2.module+el8.9.0+19330+c97ddbdf.aa
redhat/postgresql<12.22-9.module+el8.10.0+24635+941a3cac.aa
12.22-9.module+el8.10.0+24635+941a3cac.aa
redhat/postgresql-contrib<12.22-9.module+el8.10.0+24635+941a3cac.aa
12.22-9.module+el8.10.0+24635+941a3cac.aa
redhat/postgresql-contrib-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac.aa
12.22-9.module+el8.10.0+24635+941a3cac.aa
redhat/postgresql-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac.aa
12.22-9.module+el8.10.0+24635+941a3cac.aa
redhat/postgresql-debugsource<12.22-9.module+el8.10.0+24635+941a3cac.aa
12.22-9.module+el8.10.0+24635+941a3cac.aa
redhat/postgresql-docs-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac.aa
12.22-9.module+el8.10.0+24635+941a3cac.aa
redhat/postgresql-plperl-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac.aa
12.22-9.module+el8.10.0+24635+941a3cac.aa
redhat/postgresql-plpython3-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac.aa
12.22-9.module+el8.10.0+24635+941a3cac.aa
redhat/postgresql-pltcl-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac.aa
12.22-9.module+el8.10.0+24635+941a3cac.aa
redhat/postgresql-server-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac.aa
12.22-9.module+el8.10.0+24635+941a3cac.aa
redhat/postgresql-server-devel-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac.aa
12.22-9.module+el8.10.0+24635+941a3cac.aa
redhat/postgresql-test-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac.aa
12.22-9.module+el8.10.0+24635+941a3cac.aa
redhat/postgresql-upgrade-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac.aa
12.22-9.module+el8.10.0+24635+941a3cac.aa
redhat/postgresql-upgrade-devel-debuginfo<12.22-9.module+el8.10.0+24635+941a3cac.aa
12.22-9.module+el8.10.0+24635+941a3cac.aa
redhat/postgresql-docs<12.22-9.module+el8.10.0+24635+941a3cac.aa
12.22-9.module+el8.10.0+24635+941a3cac.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/pgaudit to a version that resolves this vulnerability.

    Fixed in 1.4.0-7.module+el8.10.0+22214+9beb89d6
  2. Upgrade

    Upgrade redhat/postgres-decoderbufs to a version that resolves this vulnerability.

    Fixed in 0.10.0-2.module+el8.9.0+19330+c97ddbdf
  3. Upgrade

    Upgrade redhat/postgresql to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac
  4. Upgrade

    Upgrade redhat/pgaudit-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.4.0-7.module+el8.10.0+22214+9beb89d6
  5. Upgrade

    Upgrade redhat/pgaudit-debugsource to a version that resolves this vulnerability.

    Fixed in 1.4.0-7.module+el8.10.0+22214+9beb89d6
  6. Upgrade

    Upgrade redhat/postgres-decoderbufs-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.10.0-2.module+el8.9.0+19330+c97ddbdf
  7. Upgrade

    Upgrade redhat/postgres-decoderbufs-debugsource to a version that resolves this vulnerability.

    Fixed in 0.10.0-2.module+el8.9.0+19330+c97ddbdf
  8. Upgrade

    Upgrade redhat/postgresql-contrib-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac
  9. Upgrade

    Upgrade redhat/postgresql-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac
  10. Upgrade

    Upgrade redhat/postgresql-debugsource to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac
  11. Upgrade

    Upgrade redhat/postgresql-docs-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac
  12. Upgrade

    Upgrade redhat/postgresql-plperl-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac
  13. Upgrade

    Upgrade redhat/postgresql-plpython3-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac
  14. Upgrade

    Upgrade redhat/postgresql-pltcl-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac
  15. Upgrade

    Upgrade redhat/postgresql-server-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac
  16. Upgrade

    Upgrade redhat/postgresql-server-devel-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac
  17. Upgrade

    Upgrade redhat/postgresql-test-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac
  18. Upgrade

    Upgrade redhat/postgresql-upgrade-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac
  19. Upgrade

    Upgrade redhat/postgresql-upgrade-devel-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac
  20. Upgrade

    Upgrade redhat/postgresql-upgrade to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac
  21. Upgrade

    Upgrade redhat/postgresql-upgrade-devel to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac
  22. Upgrade

    Upgrade redhat/pgaudit to a version that resolves this vulnerability.

    Fixed in 1.4.0-7.module+el8.10.0+22214+9beb89d6.aa
  23. Upgrade

    Upgrade redhat/pgaudit-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.4.0-7.module+el8.10.0+22214+9beb89d6.aa
  24. Upgrade

    Upgrade redhat/pgaudit-debugsource to a version that resolves this vulnerability.

    Fixed in 1.4.0-7.module+el8.10.0+22214+9beb89d6.aa
  25. Upgrade

    Upgrade redhat/postgres-decoderbufs to a version that resolves this vulnerability.

    Fixed in 0.10.0-2.module+el8.9.0+19330+c97ddbdf.aa
  26. Upgrade

    Upgrade redhat/postgres-decoderbufs-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.10.0-2.module+el8.9.0+19330+c97ddbdf.aa
  27. Upgrade

    Upgrade redhat/postgres-decoderbufs-debugsource to a version that resolves this vulnerability.

    Fixed in 0.10.0-2.module+el8.9.0+19330+c97ddbdf.aa
  28. Upgrade

    Upgrade redhat/postgresql to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac.aa
  29. Upgrade

    Upgrade redhat/postgresql-contrib to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac.aa
  30. Upgrade

    Upgrade redhat/postgresql-contrib-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac.aa
  31. Upgrade

    Upgrade redhat/postgresql-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac.aa
  32. Upgrade

    Upgrade redhat/postgresql-debugsource to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac.aa
  33. Upgrade

    Upgrade redhat/postgresql-docs-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac.aa
  34. Upgrade

    Upgrade redhat/postgresql-plperl-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac.aa
  35. Upgrade

    Upgrade redhat/postgresql-plpython3-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac.aa
  36. Upgrade

    Upgrade redhat/postgresql-pltcl-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac.aa
  37. Upgrade

    Upgrade redhat/postgresql-server-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac.aa
  38. Upgrade

    Upgrade redhat/postgresql-server-devel-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac.aa
  39. Upgrade

    Upgrade redhat/postgresql-test-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac.aa
  40. Upgrade

    Upgrade redhat/postgresql-upgrade-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac.aa
  41. Upgrade

    Upgrade redhat/postgresql-upgrade-devel-debuginfo to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac.aa
  42. Upgrade

    Upgrade redhat/postgresql-docs to a version that resolves this vulnerability.

    Fixed in 12.22-9.module+el8.10.0+24635+941a3cac.aa
  43. Compensating control

    Apply the postgresql:12 security update that addresses CVE-2026-6479 (Denial of Service via uncontrolled recursion in SSL/GSS negotiation) as described in the Red Hat advisory referenced in the prompt.

Event History

Aug 10, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·12:55 AM
Data Sourced
via Red Hat·12:55 AM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:52396?

The severity of RHSA-2026:52396 is high (7).

2

What is the main issue addressed in RHSA-2026:52396?

RHSA-2026:52396 addresses a denial of service vulnerability via uncontrolled recursion in SSL/GSS negotiation (CVE-2026-6479).

3

How do I fix RHSA-2026:52396?

To fix RHSA-2026:52396, update your PostgreSQL installation to the latest patched version provided by Red Hat.

4

Which software packages are affected by RHSA-2026:52396?

The affected software packages include redhat/pgaudit, redhat/postgres-decoderbufs, and redhat/postgresql-contrib, among others.

5

When was RHSA-2026:52396 published?

RHSA-2026:52396 was published on August 10, 2026.

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